[INFO] cloning repository https://github.com/DankDumpster/snake-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DankDumpster/snake-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Fsnake-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Fsnake-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f5bca455e7d00bc102ea3c0c747aa8093d75bc3
[INFO] documenting DankDumpster/snake-game against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Fsnake-game" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DankDumpster/snake-game on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DankDumpster/snake-game
[INFO] finished tweaking git repo https://github.com/DankDumpster/snake-game
[INFO] tweaked toml for git repo https://github.com/DankDumpster/snake-game written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gl_generator v0.8.0
[INFO] [stderr]   Downloaded winit v0.10.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.45.3
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.52.1
[INFO] [stderr]   Downloaded glutin v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0f8bd6f498b65de1aeec5e79ca4254d6fd1b207373a2e381516e028d4fb7878
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0f8bd6f498b65de1aeec5e79ca4254d6fd1b207373a2e381516e028d4fb7878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0f8bd6f498b65de1aeec5e79ca4254d6fd1b207373a2e381516e028d4fb7878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f8bd6f498b65de1aeec5e79ca4254d6fd1b207373a2e381516e028d4fb7878", kill_on_drop: false }`
[INFO] [stdout] d0f8bd6f498b65de1aeec5e79ca4254d6fd1b207373a2e381516e028d4fb7878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95d9d559923d55d6825876fbceb76fc31d20adea2b3460cf9c57bf4669980e7b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "95d9d559923d55d6825876fbceb76fc31d20adea2b3460cf9c57bf4669980e7b", kill_on_drop: false }`
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.3
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.52.1
[INFO] [stderr]  Documenting snake-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Snake_Piece` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct Snake_Piece(u32, u32);
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SnakePiece`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.73s
[INFO] running `Command { std: "docker" "inspect" "95d9d559923d55d6825876fbceb76fc31d20adea2b3460cf9c57bf4669980e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d9d559923d55d6825876fbceb76fc31d20adea2b3460cf9c57bf4669980e7b", kill_on_drop: false }`
[INFO] [stdout] 95d9d559923d55d6825876fbceb76fc31d20adea2b3460cf9c57bf4669980e7b